m4_include(ax_cxx_compile_stdcxx.m4)
+m4_include([../config/ax_pthread.m4])
+
## ----------------------------------------- ##
## ANSIfy the C compiler whenever possible. ##
## From Franc,ois Pinard ##
## ----------------------------------------- ##
-# Copyright (C) 1996-2019 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by